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mojhsa [17]
3 years ago
10

The consistent reduction in fitness (survival, reproduction, etc) in a population due to widespread non-random mating is called

____________________.
Biology
1 answer:
igomit [66]3 years ago
4 0

Answer:

Natural selection

Explanation:

Natural selection occurs when one allele (or combination of alleles of different genes) makes an organism more or less fit, that it is able to survive and reproduce in a given environment. If an allele reduces fitness, its frequency will tend to drop from one generation to the next.

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Which phrases describe groundwater? Check all that apply.
elena-14-01-66 [18.8K]

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The groundwater supplies drinking water to about 51 percent of the total population of the United States and 99 percent of the rural population. Almost 64 percent of the groundwater is utilized for irrigation purposes, and it is also a source of recharge for rivers, lakes, and wetlands.  

Hence, the correct phrases that describe groundwater are feeds rivers, used for irrigation, and provides drinking water.  


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An electron microscope can discern very minute details of a cell. This is because its resolution is dependent on the very small wavelength of a beam of electrons which is approximately 0.002 um (about 10,000 times powerful than a light microscope)

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3 years ago
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vovangra [49]
The answer should be letter B I'm sorry if not
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